Software Rendering with JPCT and java2d together

package com.jengine.kevinchwong;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.GraphicsEnvironment;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
 
import com.threed.jpct.*;
import javax.swing.*;
 
public class SoftwareRenderTest {
 
private World world;
private FrameBuffer buffer;
private Object3D box;
private JFrame frame;
 
public static void main(String[] args) throws Exception {
  new SoftwareRenderTest().loop();
}
 
public SoftwareRenderTest() throws Exception {
 
  frame=new JFrame("Hello world");
  frame.setSize(800, 600);
  frame.setVisible(true);
  frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
 
  world = new World();
  world.setAmbientLight(0, 255, 0);
 
  TextureManager.getInstance().addTexture("box", new Texture("res/textures/box.jpg"));
 
  box = Primitives.getBox(13f, 2f);
  box.setTexture("box");
  box.setEnvmapped(Object3D.ENVMAP_ENABLED);
  box.build();
  world.addObject(box);
 
  world.getCamera().setPosition(50, -50, -5);
  world.getCamera().lookAt(box.getTransformedCenter());
}
 
private void loop() throws Exception {
  buffer = new FrameBuffer(800, 600, FrameBuffer.SAMPLINGMODE_NORMAL);
 
  while (frame.isShowing()) {
    box.rotateY(0.01f);
    buffer.clear(java.awt.Color.BLUE);
    world.renderScene(buffer);
    world.draw(buffer);
    buffer.update();
 
//GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
//    ge.getAllFonts();
 
    RenderingHints rh =
           new RenderingHints(RenderingHints.KEY_ANTIALIASING, 
           RenderingHints.VALUE_ANTIALIAS_ON);
 
       rh.put(RenderingHints.KEY_RENDERING,
              RenderingHints.VALUE_RENDER_QUALITY);
 
    Graphics2D g2d = (Graphics2D) buffer.getGraphics();
   
    g2d.setFont(new Font("Serif", Font.PLAIN, 13));
    //g2d.setFont(new Font("Franklin Gothic Medium", Font.PLAIN, 33));
   
       g2d.drawString("??Most relationships seem so transitory", 20, 130);
       g2d.drawString("They're all good but not the permanent one", 20, 160);
       g2d.drawString("Who doesn't long for someone to hold", 20, 190);
       g2d.drawString("Who knows how to love you without being told", 20, 220);
       g2d.drawString("Somebody tell me why I'm on my own", 20, 250);
       g2d.drawString("If there's a soulmate for everyone", 20, 280);
   
 
       Ellipse2D e = new Ellipse2D.Double(0, 0, 80, 130);
       g2d.setStroke(new BasicStroke(1));
       g2d.setColor(Color.gray);
 
 
       for (double deg = 0; deg < 360; deg += 5) {
           AffineTransform at =
               AffineTransform.getTranslateInstance(400,300);
           at.rotate(Math.toRadians(deg));
           g2d.draw(at.createTransformedShape(e));
       }
       
      buffer.display(frame.getGraphics());
      Thread.sleep(10);
    }
    buffer.disableRenderer(IRenderer.RENDERER_OPENGL);
    buffer.dispose();
    frame.dispose();
    System.exit(0);
  }
}